Chain compatibility: Works with 5 to 12 speed chains

so shouldn't be used for gravity type riding

Even better

Cut from billet AL-7075-T6 for the highest strength and wear resistance

Shimano SH-GE900 SPD Shoes - EU 46 - Midnight Denim Gift Card Chain compatibility: Works with 5Shimano's benchmark, high end gravity shoe, the GE9 features a TORBAL 2. 0 midsole that allows the heel section to move torsionally, maintaining full range of motion for improved comfort, fluidity, and on bike control. Enduro optimised ULTREAD GE outsole delivers enhanced grip on slippery hike a bike sections, and has a moulded pedal channel that provides a stable shoe to pedal connection even when riding unclipped on technical terrain. Features